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2887085 = 51015717
BaseRepresentation
bin1011000000110110101101
312102200100002
423000312231
51214341320
6141514045
733353105
oct13006655
95380302
102887085
1116a2123
12b72925
137a1146
14552205
153c0675
hex2c0dad

2887085 has 8 divisors (see below), whose sum is σ = 3499416. Its totient is φ = 2286400.

The previous prime is 2887081. The next prime is 2887117. The reversal of 2887085 is 5807882.

2887085 = 9802 + 9812 + 9822.

2887085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1075369 + 1811716 = 1037^2 + 1346^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2887085 - 22 = 2887081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2887081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2354 + ... + 3363.

It is an arithmetic number, because the mean of its divisors is an integer number (437427).

22887085 is an apocalyptic number.

It is an amenable number.

2887085 is a deficient number, since it is larger than the sum of its proper divisors (612331).

2887085 is a wasteful number, since it uses less digits than its factorization.

2887085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5823.

The product of its (nonzero) digits is 35840, while the sum is 38.

The square root of 2887085 is about 1699.1424307574. The cubic root of 2887085 is about 142.3923060323.

The spelling of 2887085 in words is "two million, eight hundred eighty-seven thousand, eighty-five".

Divisors: 1 5 101 505 5717 28585 577417 2887085